§  18.301   Operating frequencies.

   ISM equipment may be operated on any frequency above 9 kHz except as
   indicated in § 18.303. The following frequency bands, in accordance with
   § 2.106 of the rules, are designated for use by ISM equipment:

   Table 1 to § 18.301
   ISM frequency  Tolerance
   6.78 MHz      ± 15.0 kHz
   13.56 MHz     ± 7.0 kHz
   27.12 MHz     ± 163.0 kHz
   40.68 MHz     ± 20.0 kHz
   915 MHz       ± 13.0 MHz
   2450 MHz      ± 50.0 MHz
   5800 MHz      ± 75.0 MHz
   24.125 GHz    ± 125.0 MHz
   61.25 GHz     ± 250.0 MHz
   122.50 GHz    ± 500.0 MHz
   245.00 GHz    ± 1.0 GHz

   [ 85 FR 38740 , June 26, 2020]